Aug 17, 2020 If your Mac is using a firmware password, you're prompted to enter the password. Option-Command-P-R: Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery. Shift (⇧): Start up in safe mode. Disabled when using a firmware password. D: Start up to the Apple Diagnostics. One way to do that is by using 3 rd party cleaning tools to scan for issues and get rid of them before they could wreak havoc on your Mac. Anyway, you can get out of Safe Mode anytime, especially if you want to see if the problem has already been solved and if you can already boot in Normal mode.
Protect your Mac from malware. MacOS has many features that help protect your Mac and your personal information from malicious software, or malware. One common way malware is distributed is by embedding it in a harmless-looking app. You can reduce this risk. Download Antivirus One - Virus Cleaner for macOS 10.12 or later and enjoy it on your Mac. Keep your digital wallets and keychains safe with Antivirus One, your personal cyber security expert. Antivirus One offers live antivirus monitoring to protect your Mac from adware, ransomware, spyware and all kinds of malware attacks.
Your data is safe in 1Password. Fundamental design choices were made to protect everything you store in 1Password so you can trust it with your passwords, financial information, and more. 1Password protects you and your information in three different ways:
- End-to-end encryption leaves the keys in your hands – and nowhere else.
- Smart features limit your exposure to threats outside 1Password.
- Full transparency makes sure 1Password can be and is audited by experts.
Encryption
1Password security begins with your Master Password. It’s used to encrypt your data, so no one but you can read it. It’s also used to decrypt your data when you need it. Your Master Password is never shared with anyone, even us at AgileBits, which means that you’re the only person who can unlock your 1Password vaults and access your information. Here’s how 1Password secures your data – and the Master Password used to protect it – from all kinds of attacks:
End-to-end encryption. Whether you use a 1Password account or sync your data with iCloud or Dropbox, everything is always end-to-end encrypted. This makes it impossible for someone to learn anything by intercepting your data while it’s in transit or even obtaining it from AgileBits. Learn more about how 1Password protects your data when you use a sync service.
256-bit AES encryption. Your 1Password data is kept safe by AES-GCM-256 authenticated encryption. The data you entrust to 1Password is effectively impossible to decrypt.
Secure random numbers. Encryption keys, initialization vectors, and nonces are all generated using cryptographically secure pseudorandom number generators.
PBKDF2 key strengthening. 1Password uses PBKDF2-HMAC-SHA256 for key derivation which makes it harder for someone to repeatedly guess your Master Password. A strong Master Password could take decades to crack. Learn more about how PBKDF2 strengthens your Master Password.
A secret Master Password. Your Master Password is never stored alongside your 1Password data or transmitted over the network. Taking this precaution is a bit like making sure the key to a safe isn’t kept right next to it: Keeping the two separate makes everything more secure. The same principle applies here.
Secret Key. The data in your 1Password account is protected by your 128-bit Secret Key, which is combined with your Master Password to encrypt your data. Learn more about your Secret Key.
Features
Security doesn’t end with encryption. 1Password was designed to protect your data in other ways, too, whether it’s by automatically clearing your clipboard or making sure your Master Password can’t be stolen. Here are just some of the other ways 1Password keeps your data safe:
Clipboard management. 1Password can be set to automatically remove passwords from your clipboard. This prevents anyone from gaining access to your data by pasting a password you copied and forgot about. It also means that tools that save your clipboard history don’t store your secrets.
Code signature validation. 1Password verifies that your browser has been signed by an identified developer before filling your sensitive information. This protects you if your browser is tampered with, or if you try to use a browser that hasn’t been proven secure.
Auto-lock. 1Password can automatically lock to make sure that no one can access your data when you’re away from your desk or after closing the lid on your laptop. Learn how to set 1Password to lock automatically.
Secure input fields. 1Password uses secure input fields to prevent other tools from knowing what you type in the 1Password apps. This means that your personal information, including your Master Password, is protected against keyloggers.
Watchtower vulnerability alerts. 1Password can warn you when a website has been hacked – without ever sending AgileBits a list of the websites you visit. Learn more about how Watchtower protects your privacy.
Phishing protection. 1Password only fills passwords on the sites where they were saved. No one can steal your password by pretending to be a site you trust.
Your input, required. 1Password only displays or fills data when you tell it to. Whether you’re revealing a password or filling your shipping address in your browser, your personal information is never displayed or filled without your command.
Biometric access. You can unlock 1Password with your fingerprint on your MacBook Pro, iPhone, iPad, and Android devices. This makes accessing your information more convenient, and also means that someone can’t learn your Master Password by peering over your shoulder. Learn more about biometric security on Mac, iOS, and Android.
Transparency
1Password wasn’t built in a vacuum. It was developed on top of open standards that anyone with the right skills can investigate, implement, and improve. Open tools are trusted, proven, and constantly getting better. Here’s how 1Password respects the principles behind the open tools on which it relies:
Open data formats. 1Password uses two open data formats for all your information. These data formats are available to anyone who wants to examine them to prove that they do what they say they do. Learn more about the designs of OPVault and Agile Keychain.
Trusted encryption algorithms. 1Password uses algorithms that experts have examined and verified to keep information secure.
Principled privacy policy. 1Password was designed with a deep respect for your privacy. Any information you share with us is only ever used to provide you with service and support. Learn more about 1Password and your privacy.
Straightforward export tools. 1Password includes simple export tools that make it easy to move information out of 1Password. Your data is yours, and you can leave if ever you choose to. Learn more about how to export data from 1Password.
Learn more
If you have a security concern, contact 1Password Support with more information.
To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.
- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
Mac Safe Boot
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
One Safe For Mac Pro
Remember that some key combinations are disabled when your Mac is using a firmware password.
One Safe For Mac Mojave
Learn more
One Safe Maccleaner
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
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